David Wasserman <dwasserm at earthlink.com> schrieb am 08.05.2005, 03:51:12: > Does anyone have a routine to efficiently find one prime factor of a number? > > Thanks, > David Try Dario Alpern's applet Factorization using the Elliptic Curve Method at http://www.alpertron.com.ar/ECM.HTM Hugo Pfoertner